/Engine/Source/Developer/Localization/Public/LocalizationTargetTypes.h
Get the resolved placeholder token of the path root ("%LOCENGINEROOT%" for Engine or "%LOCPROJECTROOT%" for Project; empty for Auto)
static [FString](API\Runtime\Core\Containers\FString) GetResolvedPathRootToken ( const [ELocalizationGatherPathRoot](API\Developer\Localization\ELocalizationGatherPathRoot) InPathRoot )